UA8140 San FranciscoSFO · 10:55 AustinAUS · 16:12
UA8140 by United Airlines flies from San Francisco (SFO) to Austin (AUS).
scheduled from SFO
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Austin flights today
same route · United AirlinesIf UA8140 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Austin on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8140 actually runs
Pro Flight Search has tracked every published board update for UA8140 across the SFO and AUS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +50 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA8140 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N37290.
Board clocks recorded as SFO and AUS published them.
Planning around UA8140? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA8140 San Francisco to Austin on-time performance, measured from the SFO and AUS airport boards.
https://proflightsearch.com/flight/UA8140
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